This post is a quick reference in how to install and configure OpenStack v3 and the integration with VMware NSX.
I strongly recommend you to read the official VIO documentation in the following link
VIO Deployment is divide into 2 part
Part 1. Deploy the VIO OVA, which deploys a management plugin on the vSphere web client, as well as the OpenStack template
Part 2. Deploy OpenStack, which deploy and install all the components to run OpenStack